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Let vecu, vecv and vecw be vector such t...

Let `vecu, vecv and vecw` be vector such that `vecu+vecv+vecw=vec0`. If `|vecu|=3, |vecv|=4 and |vecw|=5` then `vecu.vecv+vecv.vecw+vecw.vecu` is ………………….. .

A

25

B

`-25`

C

5

D

`sqrt5`

Text Solution

Verified by Experts

The correct Answer is:
B
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